moonwort

noun

A fern, Botrychium Lunaria. See lunary, 2, and cut under Botrychium.

noun

The herb lunary or honesty. See honesty.

noun

Any fern of the genus Botrychium, esp. Botrychium Lunaria; — so named from the crescent-shaped segments of its frond.

noun

of America and Eurasia and Australia